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Side-by-side financial comparison of AMTECH SYSTEMS INC (ASYS) and Simulations Plus, Inc. (SLP). Click either name above to swap in a different company.

AMTECH SYSTEMS INC is the larger business by last-quarter revenue ($19.0M vs $18.4M, roughly 1.0× Simulations Plus, Inc.). Simulations Plus, Inc. runs the higher net margin — 3.7% vs 0.6%, a 3.1% gap on every dollar of revenue. On growth, Simulations Plus, Inc. posted the faster year-over-year revenue change (-2.7% vs -22.2%). Over the past eight quarters, Simulations Plus, Inc.'s revenue compounded faster (0.3% CAGR vs -13.6%).

Amtech Systems Inc is a global manufacturer of advanced thermal processing and automation equipment primarily serving the semiconductor, solar photovoltaic, and LED production sectors. Its product portfolio includes soldering, diffusion, and deposition systems, with key markets spanning North America, East Asia, and Western Europe, catering to leading electronic component and clean energy manufacturing clients.

Simulations Plus, Inc. develops absorption, distribution, metabolism, excretion, and toxicity (ADMET) modeling and simulation software for the pharmaceutical and biotechnology, industrial chemicals, cosmetics, food ingredients, and herbicide industries. In September 2014, the company acquired Cognigen Corporation, a provider of clinical trial data analysis and consulting services.

ASYS vs SLP — Head-to-Head

Bigger by revenue
ASYS
ASYS
1.0× larger
ASYS
$19.0M
$18.4M
SLP
Growing faster (revenue YoY)
SLP
SLP
+19.5% gap
SLP
-2.7%
-22.2%
ASYS
Higher net margin
SLP
SLP
3.1% more per $
SLP
3.7%
0.6%
ASYS
Faster 2-yr revenue CAGR
SLP
SLP
Annualised
SLP
0.3%
-13.6%
ASYS

Income Statement — Q1 FY2026 vs Q1 FY2026

Metric
ASYS
ASYS
SLP
SLP
Revenue
$19.0M
$18.4M
Net Profit
$108.0K
$676.0K
Gross Margin
44.8%
59.1%
Operating Margin
4.1%
3.9%
Net Margin
0.6%
3.7%
Revenue YoY
-22.2%
-2.7%
Net Profit YoY
-65.4%
228.2%
EPS (diluted)
$0.01
$0.03

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
ASYS
ASYS
SLP
SLP
Q4 25
$19.0M
$18.4M
Q3 25
$19.8M
$17.5M
Q2 25
$19.6M
$20.4M
Q1 25
$15.6M
$22.4M
Q4 24
$24.4M
$18.9M
Q3 24
$24.1M
$18.7M
Q2 24
$26.7M
$18.5M
Q1 24
$25.4M
$18.3M
Net Profit
ASYS
ASYS
SLP
SLP
Q4 25
$108.0K
$676.0K
Q3 25
$1.1M
$-681.0K
Q2 25
$106.0K
$-67.3M
Q1 25
$-31.8M
$3.1M
Q4 24
$312.0K
$206.0K
Q3 24
$-536.0K
$843.0K
Q2 24
$438.0K
$3.1M
Q1 24
$970.0K
$4.0M
Gross Margin
ASYS
ASYS
SLP
SLP
Q4 25
44.8%
59.1%
Q3 25
44.4%
56.4%
Q2 25
46.7%
64.0%
Q1 25
-2.1%
58.5%
Q4 24
38.4%
54.0%
Q3 24
40.7%
36.6%
Q2 24
36.5%
71.5%
Q1 24
33.2%
72.2%
Operating Margin
ASYS
ASYS
SLP
SLP
Q4 25
4.1%
3.9%
Q3 25
9.3%
3.8%
Q2 25
4.7%
-364.5%
Q1 25
-202.7%
12.1%
Q4 24
1.4%
0.7%
Q3 24
0.1%
-6.2%
Q2 24
3.1%
10.1%
Q1 24
5.4%
24.3%
Net Margin
ASYS
ASYS
SLP
SLP
Q4 25
0.6%
3.7%
Q3 25
5.4%
-3.9%
Q2 25
0.5%
-330.6%
Q1 25
-204.2%
13.7%
Q4 24
1.3%
1.1%
Q3 24
-2.2%
4.5%
Q2 24
1.6%
16.9%
Q1 24
3.8%
22.0%
EPS (diluted)
ASYS
ASYS
SLP
SLP
Q4 25
$0.01
$0.03
Q3 25
$0.08
$-0.03
Q2 25
$0.01
$-3.35
Q1 25
$-2.23
$0.15
Q4 24
$0.02
$0.01
Q3 24
$-0.04
$0.04
Q2 24
$0.03
$0.15
Q1 24
$0.07
$0.20

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
ASYS
ASYS
SLP
SLP
Cash + ST InvestmentsLiquidity on hand
$22.1M
$35.7M
Total DebtLower is stronger
$162.0K
Stockholders' EquityBook value
$54.1M
$127.1M
Total Assets
$94.1M
$137.8M
Debt / EquityLower = less leverage
0.00×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ASYS
ASYS
SLP
SLP
Q4 25
$22.1M
$35.7M
Q3 25
$17.9M
$32.4M
Q2 25
$15.6M
$28.4M
Q1 25
$13.4M
$21.4M
Q4 24
$13.2M
$18.2M
Q3 24
$11.1M
$20.3M
Q2 24
$13.2M
$119.0M
Q1 24
$13.0M
$108.5M
Total Debt
ASYS
ASYS
SLP
SLP
Q4 25
$162.0K
Q3 25
$168.0K
Q2 25
$127.0K
Q1 25
$135.0K
Q4 24
$161.0K
Q3 24
$189.0K
Q2 24
$177.0K
Q1 24
$65.0K
Stockholders' Equity
ASYS
ASYS
SLP
SLP
Q4 25
$54.1M
$127.1M
Q3 25
$53.4M
$124.8M
Q2 25
$51.7M
$123.8M
Q1 25
$51.0M
$189.5M
Q4 24
$82.4M
$184.7M
Q3 24
$82.4M
$182.4M
Q2 24
$81.7M
$180.9M
Q1 24
$80.9M
$177.0M
Total Assets
ASYS
ASYS
SLP
SLP
Q4 25
$94.1M
$137.8M
Q3 25
$92.9M
$131.9M
Q2 25
$89.5M
$134.4M
Q1 25
$83.4M
$201.4M
Q4 24
$117.8M
$196.9M
Q3 24
$119.3M
$196.6M
Q2 24
$127.1M
$192.7M
Q1 24
$116.5M
$194.0M
Debt / Equity
ASYS
ASYS
SLP
SLP
Q4 25
0.00×
Q3 25
0.00×
Q2 25
0.00×
Q1 25
0.00×
Q4 24
0.00×
Q3 24
0.00×
Q2 24
0.00×
Q1 24
0.00×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
ASYS
ASYS
SLP
SLP
Operating Cash FlowLast quarter
$4.1M
$4.2M
Free Cash FlowOCF − Capex
$3.8M
FCF MarginFCF / Revenue
20.2%
Capex IntensityCapex / Revenue
1.5%
0.0%
Cash ConversionOCF / Net Profit
37.99×
6.26×
TTM Free Cash FlowTrailing 4 quarters
$8.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ASYS
ASYS
SLP
SLP
Q4 25
$4.1M
$4.2M
Q3 25
$2.3M
$5.6M
Q2 25
$2.5M
$8.1M
Q1 25
$210.0K
$5.7M
Q4 24
$2.9M
$-1.3M
Q3 24
$879.0K
$1.7M
Q2 24
$3.7M
$5.7M
Q1 24
$336.0K
$5.8M
Free Cash Flow
ASYS
ASYS
SLP
SLP
Q4 25
$3.8M
Q3 25
$2.0M
$5.3M
Q2 25
$2.0M
$7.8M
Q1 25
$201.0K
$5.6M
Q4 24
$2.7M
$-1.4M
Q3 24
$447.0K
$1.6M
Q2 24
$322.0K
$5.6M
Q1 24
$-884.0K
$5.4M
FCF Margin
ASYS
ASYS
SLP
SLP
Q4 25
20.2%
Q3 25
10.2%
30.5%
Q2 25
10.1%
38.5%
Q1 25
1.3%
25.0%
Q4 24
11.2%
-7.2%
Q3 24
1.9%
8.8%
Q2 24
1.2%
30.0%
Q1 24
-3.5%
29.4%
Capex Intensity
ASYS
ASYS
SLP
SLP
Q4 25
1.5%
0.0%
Q3 25
1.2%
1.5%
Q2 25
2.8%
1.5%
Q1 25
0.1%
0.3%
Q4 24
0.6%
0.5%
Q3 24
1.8%
0.1%
Q2 24
12.5%
0.6%
Q1 24
4.8%
2.4%
Cash Conversion
ASYS
ASYS
SLP
SLP
Q4 25
37.99×
6.26×
Q3 25
2.12×
Q2 25
23.89×
Q1 25
1.84×
Q4 24
9.19×
-6.18×
Q3 24
1.97×
Q2 24
8.35×
1.81×
Q1 24
0.35×
1.44×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

ASYS
ASYS

Thermal Processing Solutions$14.0M74%
Semiconductor Fabrication Solutions$5.0M26%

SLP
SLP

Services Segment$9.5M52%
Development$7.2M39%
Discovery$1.3M7%

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